solamr lithium lifepo4 battery charger, 20amp 12v and 24v portable smart car battery charger, trickle charger for lead-acid(agm/gel/sla..), deep cycle charger for marine, rv, motorcycle (p20) p20 battery charger is up for auction in Automotive. The current bid is $5.00, 91% below the $55.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.